REGENERON PHARMACEUTICALS, INC.
For the period ended Dec 31, 2025. Filed Feb 4, 2026.
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FY2025 · Filed Feb 4, 2026
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Item 2. Properties
We conduct our research, development, manufacturing, and administrative activities at our owned and leased facilities. A summary of our significant owned and leased properties is provided below.
| Location | Approximate Square Feet | Use | Leased/Owned |
|---|---|---|---|
| Tarrytown, New York | 1,800,000 | Corporate headquarters, laboratory, and office space | Leased or Owned(a) |
| Rensselaer, New York | 1,600,000 | Manufacturing, warehouse, laboratory, fill/finish(b), and office space | Owned |
| Limerick, Ireland | 950,000 | Manufacturing, warehouse, laboratory, and office space | Owned |
| (a) Approximately 1,500,000 square feet is leased pursuant to a lease financing facility and approximately 300,000 square feet is owned. Refer to Part II, Item 7. "Management's Discussion and Analysis of Financial Condition and Results of Operations - Liquidity and Capital Resources - Tarrytown, New York Corporate Headquarters Lease" for further details regarding the lease financing facility. | |||
| (b) Our fill/finish facility in Rensselaer, New York is currently undergoing process validation and has yet to be approved for commercial production | |||
In addition to the properties summarized in the table above, we own an approximate 100-acre parcel of land adjacent to our Tarrytown, New York location, which we are in the process of developing, primarily to expand our research and support facilities to accommodate our growth. In 2024, we also acquired an approximate 1,000,000 square foot facility in Saratoga Springs, New York, and we are in the process of designing and developing this property for production support activities and expanding our manufacturing capacity.
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